score counter

game-ctrl/display.c

@@ -4,47 +4,23 @@
 #include "spi.h"
 
 
-uint16_t score;
-
 
 void displayInit() {
-  score = 0;
-
-  spiSendBegin(e_SPI_DISPLAY);
-
-  // display test off
-  spiSendOctet(0x0f);
-  spiSendOctet(0x01);
-
-  // BCD decode for all digits
-  spiSendOctet(0x09);
-  spiSendOctet(0xff);
-
-  // scan limit to digits 0-3
-  spiSendOctet(0x0b);
-  spiSendOctet(0x03);
-
-  // intensity
-  spiSendOctet(0x0a);
-  spiSendOctet(0x0f);
-
-
-  // normal operation
-  spiSendOctet(0x0C);
-  spiSendOctet(0x01);
-
-  spiSendEnd(e_SPI_DISPLAY);
 }
 
 
+void displaySetValue(uint16_t v) {
+  union {
+    uint16_t value;
+    uint8_t sendBuffer[2];
+  } value;
 
-void displaySetScore(uint16_t v) {
-  score = v;
+  value.value = v;
 
   spiSendBegin(e_SPI_DISPLAY);
 
-  spiSendOctet(0x01);
-  spiSendOctet(0x07);
+  spiSendOctet(value.sendBuffer[0]);
+  spiSendOctet(value.sendBuffer[1]);
 
   spiSendEnd(e_SPI_DISPLAY);
 }